Mitel Outage History

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Mitel had 15 outages in the last 2 years totaling 3204h 46m of downtime — averaging 0.6 incidents per month.

There were 15 Mitel outages since September 11, 2024 totaling 3204h 46m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.mitel.io

Notice August 20, 2026

CloudLink Daemon - Newly setup connections for the Daemon get 'Couldn't create inventory report' error

Detected by Pingoru
Aug 20, 2026, 02:34 PM UTC
Resolved
Sep 02, 2026, 12:30 PM UTC
Duration
12d 21h
Affected: CloudLink Accounts Portal
Timeline · 3 updates
  1. identified Aug 20, 2026, 02:34 PM UTC

    This issue affects any MSL hosted Daemon that has an MBG as part of the manifest(stand-alone MBG, MiCollab, SMBC, SVI server). Any newly created connections on MSL 12.2 or upgrades to 12.2 MSL will get the 'Couldn't create inventory report' error. A fix is being tested in our Dev cloud. This will be update when the fix is pushed to production.

  2. monitoring Aug 25, 2026, 02:06 PM UTC

    The fix has been pushed to production as part of CloudLink Daemon version 1.9.15. Manually updating to this release from the Daemon page in server manager or waiting for the next scheduled release should fix the issue.

  3. resolved Sep 02, 2026, 12:30 PM UTC

    This incident has been confirmed resolved.

Read the full incident report →

Critical March 24, 2026

CloudLink Daemon Service Disruption for MCX/MiCC

Detected by Pingoru
Mar 24, 2026, 09:23 AM UTC
Resolved
Mar 25, 2026, 11:30 AM UTC
Duration
1d 2h
Affected: Tunnel
Timeline · 5 updates
  1. investigating Mar 24, 2026, 09:23 AM UTC

    We are currently experiencing an issue where the CloudLink Daemon service is down for MCX/MiCC. Our engineering team has been engaged and is actively investigating it.

  2. identified Mar 24, 2026, 10:23 AM UTC

    Mitel Cloudlink Daemon has been rolled back to version 1.8.66+139. Please start Mitel Cloudlink Daemon service in the affected MiCC-B/MCX.

  3. monitoring Mar 24, 2026, 10:32 AM UTC

    A fix has been implemented and we are monitoring the results.

  4. monitoring Mar 24, 2026, 01:22 PM UTC

    We are continuing to monitor for any further issues.

  5. resolved Mar 25, 2026, 11:30 AM UTC

    Root cause: The update on March 23/24 wasn’t successful and left the Windows service “Mitel CloudLink Daemon” on MiCC-B systems in a stopped state.

Read the full incident report →

Critical March 20, 2026

Issue with Tunnel service causing connection errors

Detected by Pingoru
Mar 20, 2026, 05:39 PM UTC
Resolved
Mar 23, 2026, 01:30 PM UTC
Duration
2d 19h
Affected: Tunnel
Timeline · 4 updates
  1. investigating Mar 20, 2026, 05:39 PM UTC

    We are aware of issues in the Tunnel service and are currently investigating.

  2. identified Mar 20, 2026, 07:50 PM UTC

    The root cause has been identified, and our team is actively working on a resolution.

  3. monitoring Mar 20, 2026, 10:09 PM UTC

    The service has been restored and we will continue to monitor.

  4. resolved Mar 23, 2026, 01:30 PM UTC

    We experienced a temporary capacity issue that affected service availability during periods of high demand. The issue has been resolved, and additional safeguards have been put in place to prevent recurrence.

Read the full incident report →

Critical March 4, 2026

Elevated Error Rate on Notification Service in EU

Detected by Pingoru
Mar 04, 2026, 03:08 PM UTC
Resolved
Mar 04, 2026, 09:16 PM UTC
Duration
6h 7m
Affected: Notifications
Timeline · 3 updates
  1. investigating Mar 04, 2026, 03:08 PM UTC

    We are aware of an elevated error rate on the Notification service in EU and are currently investigating. At this time it appears to be impacting Workflow and Microsoft Teams presence sync. As of 10:41 EST we are seeing the services recover. We are continuing our investigation to identify the root cause.

  2. monitoring Mar 04, 2026, 05:36 PM UTC

    Service has been restored, we will continue to monitor

  3. resolved Mar 04, 2026, 09:16 PM UTC

    The issue was caused by an unexpected, rapid spike in traffic. This surge exceeded our service capacity, resulting in a temporary service disruption.

Read the full incident report →

Minor January 21, 2026

An issue in Mitel One v6.9.0 on Android prevents keypad access during active calls.

Detected by Pingoru
Jan 21, 2026, 05:28 PM UTC
Resolved
Jan 23, 2026, 07:08 PM UTC
Duration
2d 1h
Affected: Mitel One
Timeline · 4 updates
  1. investigating Jan 21, 2026, 05:28 PM UTC

    We are aware of an issue affecting Mitel One on Android (version 6.9.0) where the keypad may not open during an active call, preventing DTMF input. Our team is actively working on a fix and will share updates as they become available.

  2. identified Jan 22, 2026, 11:32 AM UTC

    The root cause has been identified, and our team is actively working on a resolution.

  3. monitoring Jan 22, 2026, 04:10 PM UTC

    The in‑call keypad issue on Android has been fixed. Users are advised to update to Mitel One v6.9.1, now available on the Google Play Store.

  4. resolved Jan 23, 2026, 07:08 PM UTC

    The issue was caused by a recent OS compatibility change affecting the call-screen display. It has been resolved in Mitel One v6.9.1 on Android, now available on the Google Play Store.

Read the full incident report →

Critical December 16, 2025

Issue with CloudLink Gateway - Containers could not be started

Detected by Pingoru
Dec 16, 2025, 10:51 AM UTC
Resolved
Dec 17, 2025, 10:24 AM UTC
Duration
23h 33m
Affected: CloudLink Gateway PortalMitel One
Timeline · 5 updates
  1. investigating Dec 16, 2025, 10:51 AM UTC

    We are aware of an issue affecting CloudLink Gateway containers from starting correctly. We are are actively investigating and will update as the investigation progresses.

  2. investigating Dec 16, 2025, 11:11 AM UTC

    The root cause has been identified and we are actively working on fix.

  3. identified Dec 16, 2025, 11:51 AM UTC

    A new build containing the fix has been created and we are working to make this available in the public cloud, once available we will provide an update.

  4. monitoring Dec 16, 2025, 12:07 PM UTC

    CLGW version 2.4.18 now available from the download server, for any effected gateways please restart to trigger the upgrade process. If a restart is not initiated the update will occur inline with the CLGW update schedule.

  5. resolved Dec 17, 2025, 10:24 AM UTC

    This incident has been resolved. The issue was caused by an update to the timestamp validation. Changes where implemented and this was fixed in CloudLink Gateway 2.4.18.

Read the full incident report →

Notice October 20, 2025

Major Outage at Service Provider in US East Region

Detected by Pingoru
Oct 20, 2025, 12:49 PM UTC
Resolved
Oct 21, 2025, 02:05 AM UTC
Duration
13h 15m
Affected: Admin
Timeline · 3 updates
  1. monitoring Oct 20, 2025, 12:49 PM UTC

    Starting at approximately 3:00 AM EST our service provider had a major outage in the US East region where our services are hosted. This impacted operations for approximately 3 hours. As of right now service has been restored and we will continue to monitor services. For more details please see here: https://health.aws.amazon.com/health/status

  2. monitoring Oct 20, 2025, 03:55 PM UTC

    There is still some degree of instability from our service provider which is resulting in some services intermittently being impacted. While the impact does not appear to last very long it continues to happen intermittently. We remain engaged with our provider and waiting for their resolution.

  3. resolved Oct 21, 2025, 02:05 AM UTC

    Our service provider has updated that the issue is fully resolved now and we can confirm we no longer show any impact to any of our services.

Read the full incident report →

Major August 8, 2025

Unable to log in to Mitel One Mobile on iOS after upgrading to 6.8.1

Detected by Pingoru
Aug 08, 2025, 10:31 AM UTC
Resolved
Aug 08, 2025, 08:23 PM UTC
Duration
9h 51m
Affected: Mitel One
Timeline · 4 updates
  1. investigating Aug 08, 2025, 10:31 AM UTC

    Currently there is an issue with the authentication in the iOS version of Mitel One version 6.8.1. Please DO NOT UPGRADE to this build, a new build will be released as soon as possible that will fix this issue. A further update to this will be posted once this new build is available.

  2. identified Aug 08, 2025, 10:53 AM UTC

    We have identified the issue and are working on a fix.

  3. monitoring Aug 08, 2025, 11:31 AM UTC

    The fix has been released in iOS version 6.8.2 of Mitel One.

  4. resolved Aug 08, 2025, 08:23 PM UTC

    The incorrect authentication URL was mistakenly used in version 6.8.1, this was corrected in version 6.8.2.

Read the full incident report →

Notice July 7, 2025

CloudLink Gateway Automatic Updates

Detected by Pingoru
Jul 07, 2025, 03:18 PM UTC
Resolved
Jul 10, 2025, 02:32 PM UTC
Duration
2d 23h
Timeline · 2 updates
  1. monitoring Jul 07, 2025, 03:18 PM UTC

    Starting on Saturday July 5 there was an issue with a firewall blocking traffic to the server used to deliver automatic updates to the CloudLink Gateway and CloudLink Daemon. This would not have impacted day-to-day operations and would only be seen if you were trying to apply updates or deploy a brand new system. We identified and disabled this firewall this morning at 9:00 UTC-0400 and observed all traffic was flowing correctly again.

  2. resolved Jul 10, 2025, 02:32 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice April 30, 2025

CloudLink Presence Status Issues

Detected by Pingoru
Apr 30, 2025, 04:06 PM UTC
Resolved
Jun 12, 2025, 02:15 PM UTC
Duration
42d 22h
Timeline · 3 updates
  1. investigating Apr 30, 2025, 04:06 PM UTC

    We are aware of an issue with presence status displaying incorrectly. The issue is currently under investigation and we will give further updates when available.

  2. monitoring May 22, 2025, 02:09 PM UTC

    A fix has been deployed with the CloudLink Gateway release 1.4.0.01-3826 or later.

  3. resolved Jun 12, 2025, 02:15 PM UTC

    This incident has been resolved. A change to the presence implementation inadvertently affected the Mitel One application and MiVO400 integration. This was fixed in the CloudLink Gateway release 1.4.0.01-3826.

Read the full incident report →

Notice April 9, 2025

CloudLink Gateway and CloudLink Daemon Pending Update

Detected by Pingoru
Apr 09, 2025, 02:30 PM UTC
Resolved
Apr 30, 2025, 03:31 PM UTC
Duration
21d 1h
Affected: CloudLink Gateway Portal
Timeline · 2 updates
  1. identified Apr 09, 2025, 02:51 PM UTC

    We are aware of an issue with both CloudLink Gateway and CloudLink Daemon showing a pending update, but that update is not applied. We are currently working on a fix and will provide a further update when this is available. The pending update does not contain fixes for any customer reported issues, and your CloudLink connection will continue to function as normal.

  2. resolved Apr 30, 2025, 03:31 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice January 16, 2025

Mitel One users not able to log into the application.

Detected by Pingoru
Jan 16, 2025, 12:22 PM UTC
Resolved
Jan 17, 2025, 01:10 PM UTC
Duration
1d
Affected: Mitel One
Timeline · 3 updates
  1. investigating Jan 16, 2025, 12:22 PM UTC

    We are currently investigating reports of Mitel One users not being able to log into the application. The underline issue appears to be related to the MiVO400 and is currently under investigation.

  2. monitoring Jan 16, 2025, 01:24 PM UTC

    A fix has been deployed and we are monitoring. The fix may take some time to propagate but you can force a sync by logging into the Web Admin for your MiVO400. When successful you will see a full green dot at the top of the page.

  3. resolved Jan 17, 2025, 01:10 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice December 18, 2024

MiContact Center Business Chat Message Delays

Detected by Pingoru
Dec 18, 2024, 06:43 PM UTC
Resolved
Jan 13, 2025, 01:44 PM UTC
Duration
25d 19h
Affected: WorkflowWorkflowWorkflow
Timeline · 2 updates
  1. monitoring Dec 18, 2024, 06:43 PM UTC

    We have identified and fixed an issue with the Twilio Social Media flow integration on MiContact Center Business where messages were very slow to be delivered. Please ensure that you do not configure the Fallback URL or Status URL in the Twilio console when configuring the Social Media flow integration. We will continue to monitor this issue and provide any updates as needed.

  2. resolved Jan 13, 2025, 01:44 PM UTC

    This incident has been resolved. Please ensure that you do not configure the Fallback URL or Status URL in the Twilio console when configuring the Social Media flow integration.

Read the full incident report →

Minor September 13, 2024

Twilio Integration on MiContact Center Business

Detected by Pingoru
Sep 13, 2024, 09:34 PM UTC
Resolved
Sep 19, 2024, 02:47 PM UTC
Duration
5d 17h
Affected: WorkflowWorkflowWorkflow
Timeline · 3 updates
  1. identified Sep 13, 2024, 09:34 PM UTC

    We are aware of an issue when customers send messages through the Twilio Integration configured via Mitel Administration Portal to MiContact Center Business. The messages will get routed to the agent however the agent is unable to send messages back to the customer. The agent inside of WebIgnite will see a message "Unable to send previous message." We are currently working on a fix and will provide an update once it has been deployed.

  2. monitoring Sep 16, 2024, 12:34 PM UTC

    A fix has been deployed and the Twilio Integration should be working correctly again. We will continue to monitor for a couple days before closing this issue.

  3. resolved Sep 19, 2024, 02:47 PM UTC

    This issue has been resolved. A deployment on September 12th inadvertently impacted the Twilio integration which was subsequently fixed with a deployment on September 13th.

Read the full incident report →

Minor September 11, 2024

Mitel One Mobile One-Way Audio in EU Region

Detected by Pingoru
Sep 11, 2024, 12:35 PM UTC
Resolved
Sep 24, 2024, 11:34 AM UTC
Duration
12d 22h
Affected: Media
Timeline · 4 updates
  1. investigating Sep 11, 2024, 12:35 PM UTC

    We are investigating outbound call issues from Mitel One Mobile clients with carrier minutes enabled. We will provide an update when we have more information.

  2. identified Sep 12, 2024, 02:11 PM UTC

    We have identified the issue and are working on a fix. We will provide another update once the fix has been deployed.

  3. monitoring Sep 18, 2024, 01:41 PM UTC

    A fix has been deployed, outbound calls should now be working properly again. We will continue to monitor and update.

  4. resolved Sep 24, 2024, 11:34 AM UTC

    This issue has been resolved. This affected a small number of customers, it was fixed with a deployment on September 17th.

Read the full incident report →